100506111012 has 96 divisors (see below), whose sum is σ = 261621852800. Its totient is φ = 33367251456.

The previous prime is 100506111011. The next prime is 100506111029. The reversal of 100506111012 is 210111605001.

It is a happy number.

100506111012 is a `hidden beast` number, since 1 + 0 + 0 + 50 + 611 + 1 + 0 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (100506111011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42281568 + ... + 42283944.

Almost surely, 2^100506111012 is an apocalyptic number.

100506111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100506111012 is an abundant number, since it is smaller than the sum of its proper divisors (161115741788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100506111012 is a wasteful number, since it uses less digits than its factorization.

100506111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3802 (or 3794 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 100506111012 its reverse (210111605001), we get a palindrome (310617716013).

The spelling of 100506111012 in words is "one hundred billion, five hundred six million, one hundred eleven thousand, twelve".